<template>
  <div class="checkout-address">
    <div class="text">
      <div v-if="!showAddress" class="none">您需要先添加收货地址才可提交订单。</div>
      <ul v-if="showAddress">
        <li><span>收<i />货<i />人：</span>{{ showAddress.receiver }}</li>
        <li><span>联系方式：</span>{{ showAddress.contact.replace(/^(\d{3})\d{4}(\d{4})$/, '$1****$2') }}</li>
        <li><span>收货地址：</span>{{ showAddress.fullLocation.replace(/ /g, '') }}{{ showAddress.address }}</li>
      </ul>
      <a @click="openAddressEdit(showAddress)" v-if="showAddress" href="javascript:;">修改地址</a>
    </div>
    <div class="action">
      <mybutton @click="openDialog()" class="btn">切换地址</mybutton>
      <mybutton @click="openAddressEdit({})" class="btn">添加地址</mybutton>
    </div>
  </div>
  <!-- 对话框组件-切换收货地址 -->
  <Dialog title="切换收货地址" v-model:visible="visibleDialog">
    <div @click="selectedAddress = item" :class="{ active: selectedAddress && selectedAddress.id === item.id }"
      class="text item" v-for="item in list" :key="item.id">
      <ul>
        <li><span>收<i />货<i />人：</span>{{ item.receiver }}</li>
        <li><span>联系方式：</span>{{ item.contact.replace(/^(\d{3})\d{4}(\d{4})$/, '$1****$2') }}</li>
        <li><span>收货地址：</span>{{ item.fullLocation.replace(/ /g, '') + item.address }}</li>
      </ul>
    </div>
    <template #footer>
      <mybutton @click="visibleDialog = false" type="gray" style="margin-right:20px">取消</mybutton>
      <mybutton @click="confirmAddressFn" type="primary">确认</mybutton>
    </template>
  </Dialog>
  <!-- 收货地址添加编辑组件 -->
  <AddressEdit @on-success="successHandler" ref="addressEditCom" />
</template>
<script setup >
import { ref } from 'vue'
import AddressEdit from './address-edit.vue'
import Dialog from '@/base-ui/dialog.vue';
const props = defineProps({
  // 收货地址列表
  list: {
    type: Array,
    default: () => []
  }
})
const emit = defineEmits(["change"])


// 2. 如果你的组件渲染的代码片段，vue3.0规范，需要在emits中申明你所触发的自定义事件


// 1. 找到默认收货地址
// 2. 没有默认收货地址，使用第一条收货地址
// 3. 如果没有数据，提示添加
const showAddress = ref(null)
const defaultAddress = props.list.find(item => item.isDefault === 0)
if (defaultAddress) {
  showAddress.value = defaultAddress
} else {
  if (props.list.length) {
    // 加上一个注释：忽略下面代码的检查eslint
    // eslint-disable-next-line vue/no-setup-props-destructure
    showAddress.value = props.list[0]
  }
}

// 默认通知父组件一个收货地址ID
emit('change', showAddress.value && showAddress.value.id)

// 切换地址对话框显示隐藏
const visibleDialog = ref(false)
// 记录当前你选中的地址ID
const selectedAddress = ref(null)
const confirmAddressFn = () => {
  // 显示的地址换成呢选中的地址
  showAddress.value = selectedAddress.value
  // 把选中的地址ID通知结算组件
  emit('change', selectedAddress.value?.id)
  visibleDialog.value = false
}
const openDialog = () => {
  // 将之前的选中地址改成null
  selectedAddress.value = null
  visibleDialog.value = true
}

// 打开添加编辑收货地址组件
const addressEditCom = ref(null)
const openAddressEdit = (address) => {
  // 添加 {}  修改 {数据}
  addressEditCom.value.open(address)
}
const successHandler = (formData) => {
  // 根据formData中的ID去当前地址列表中查找，有就是修改，否则是添加
  const address = props.list.find(item => item.id === formData.id)
  if (address) {
    for (const key in address) {
      address[key] = formData[key]
    }
  } else {
    // 如果是添加：往list中追加一条
    // 当你在修改formData的时候，数组中的数据也会更新，因为是同一引用地址。
    // 啥时候修改formData，当你打开对话框需要清空之前的输入信息
    // 克隆formData数据
    const jsonStr = JSON.stringify(formData)
    // eslint-disable-next-line vue/no-mutating-props
    props.list.unshift(JSON.parse(jsonStr))
  }
}

</script>
<style scoped lang="less">
.xtx-dialog {
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;

    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;

      &.active,
      &:hover {
        border-color: @xtxColor;
        background: lighten(@xtxColor, 50%);
      }

      >ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
  }
}

.checkout-address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;

  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;

    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }

    >ul {
      flex: 1;
      padding: 20px;

      li {
        line-height: 30px;

        span {
          color: #999;
          margin-right: 5px;

          >i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }

    >a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }

  .action {
    width: 420px;
    text-align: center;

    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;

      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
</style>
